Compound and an organic semiconducting layer comprising the same

The present invention relates to the compound represented by the general Formula (I):whereinX is selected from the group consisting of O, S and Se;R1 and R2 are independently selected from the group consisting of C1 to C12 alkyl, C6 to C20 aryl and C5 to C20 heteroaryl, wherein the respective C1 to C12 alkyl may optionally be substituted with C6-C20 aryl;L represents a single bond or is selected from the group consisting of C6 to C18 arylene or C2 to C20 heteroarylene;wherein the rings B, C and D may each be unsubstituted or substituted and B and C are anellated aromatic 6-membered rings;R3 and R4 are independently selected from the group consisting of unsubstituted or substituted C1 to C12 alkyl, unsubstituted or substituted C1 to C12 fluorinated alkyl, unsubstituted or substituted C6 to C20 aryl and unsubstituted or substituted C5 to C20 heteroaryl;wherein the substituents, if present in B, C, D, R3 and R4, are independently selected from the group consisting of C1-C20 linear alkyl, C3-C20 branched alkyl, C3-C20 cyclic alkyl, C1-C20 linear alkoxy, C3-C20 branched alkoxy, linear fluorinated C1-C12 alkyl, linear fluorinated C1-C12 alkoxy, C3-C12 branched fluorinated cyclic alkyl, C3-C12 fluorinated cyclic alkyl, C3-C12 fluorinated cyclic alkoxy, CN, C6-C20 aryl, C2-C20 heteroaryl, OR, SR, (C═O)R, (C═O)NR2, SiR3, (S═O)R, (S═O)2R, CR═CR2, Fluorine, NR2, NO2;wherein R is independently selected from C1-C20 linear alkyl, C1-C20 alkoxy, C1-C20 thioalkyl, C3-C20 branched alkyl, C3-C20 cyclic alkyl, C3-C20 branched alkoxy, C3-C20 cyclic alkoxy, C3-C20 branched thioalkyl, C3-C20 cyclic thioalkyl, C6-C20 aryl and C3-C20 heteroaryl; andR3 and R4 may or may not be connected with each other via a single bond, an organic semiconducting layer comprising the same, an organic electronic device comprising the organic semiconducting layer and a display device or a lighting device comprising the same.